332 Hi. L. Smith on a Finger for the Microscope. 
entirely unable to pick out and transfer specimens by the unaided 
hand, and to this class the present invention will, no doubt, be 
microscope body by means of the screw s, which pushes against 
a stout spiral spring. Within the clamp e, the smaller tube 9 
Inside of the tube g is fitted neatly another tube h, having the 
large milled flange ¢ firmly attached above, and the smaller 
